1 | #!/bin/sh
|
---|
2 | # Begin $rc_base/init.d/udev
|
---|
3 |
|
---|
4 | ### BEGIN INIT INFO
|
---|
5 | # Provides: udev
|
---|
6 | # Required-Start:
|
---|
7 | # Should-Start: modules
|
---|
8 | # Required-Stop:
|
---|
9 | # Should-Stop:
|
---|
10 | # Default-Start: S
|
---|
11 | # Default-Stop:
|
---|
12 | # Short-Description: Populated /dev with device nodes.
|
---|
13 | # Description: Mounts a tempfs on /dev and starts the udevd daemon.
|
---|
14 | # Device nodes are created as defined by udev.
|
---|
15 | # X-LFS-Provided-By: LFS
|
---|
16 | ### END INIT INFO
|
---|
17 |
|
---|
18 | . /lib/lsb/init-functions
|
---|
19 |
|
---|
20 | MESSAGE="Populating /dev with device nodes..."
|
---|
21 |
|
---|
22 | case "${1}" in
|
---|
23 | start)
|
---|
24 | if ! grep -q '[[:space:]]sysfs' /proc/mounts; then
|
---|
25 | echo_failure
|
---|
26 | boot_mesg -n "FAILURE:\n\nUnable to create" ${FAILURE}
|
---|
27 | boot_mesg -n " devices without a SysFS filesystem"
|
---|
28 | boot_mesg -n "\n\nAfter you press Enter, this system"
|
---|
29 | boot_mesg -n " will be halted and powered off."
|
---|
30 | boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
|
---|
31 | boot_mesg "" ${NORMAL}
|
---|
32 | read ENTER
|
---|
33 | /etc/rc.d/init.d/halt stop
|
---|
34 | fi
|
---|
35 |
|
---|
36 | # Mount a temporary file system over /dev, so that any devices
|
---|
37 | # made or removed during this boot don't affect the next one.
|
---|
38 | # The reason we don't write to mtab is because we don't ever
|
---|
39 | # want /dev to be unavailable (such as by `umount -a').
|
---|
40 | if ! mountpoint /dev > /dev/null; then
|
---|
41 | mount -n -t tmpfs tmpfs /dev -o mode=755
|
---|
42 | fi
|
---|
43 | if [ ${?} != 0 ]; then
|
---|
44 | echo_failure
|
---|
45 | boot_mesg -n "FAILURE:\n\nCannot mount a tmpfs" ${FAILURE}
|
---|
46 | boot_mesg -n " onto /dev, this system will be halted."
|
---|
47 | boot_mesg -n "\n\nAfter you press Enter, this system"
|
---|
48 | boot_mesg -n " will be halted and powered off."
|
---|
49 | boot_mesg -n "\n\nPress Enter to continue..." ${INFO}
|
---|
50 | boot_mesg "" ${NORMAL}
|
---|
51 | read ENTER
|
---|
52 | /etc/rc.d/init.d/halt stop
|
---|
53 | fi
|
---|
54 |
|
---|
55 | # Udev handles uevents itself, so we don't need to have
|
---|
56 | # the kernel call out to any binary in response to them
|
---|
57 | echo > /proc/sys/kernel/hotplug
|
---|
58 |
|
---|
59 | # Copy static device nodes to /dev
|
---|
60 | cp -a /lib/udev/devices/* /dev
|
---|
61 |
|
---|
62 | # Start the udev daemon to continually watch for, and act on,
|
---|
63 | # uevents
|
---|
64 | /sbin/udevd --daemon
|
---|
65 |
|
---|
66 | # Now traverse /sys in order to "coldplug" devices that have
|
---|
67 | # already been discovered
|
---|
68 | /sbin/udevadm trigger --action=add
|
---|
69 |
|
---|
70 | # Now wait for udevd to process the uevents we triggered
|
---|
71 | /sbin/udevadm settle
|
---|
72 | evaluate_retval standard
|
---|
73 | ;;
|
---|
74 |
|
---|
75 | *)
|
---|
76 | echo "Usage ${0} {start}"
|
---|
77 | exit 1
|
---|
78 | ;;
|
---|
79 | esac
|
---|
80 |
|
---|
81 | # End $rc_base/init.d/udev
|
---|